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🔬 Science & Research
Evidence-based information about blue light, how it affects your eyes and sleep, and what the research really says.
How Do Blue Light Glasses Work?
Learn the optical science behind blue light blocking lenses, including coating technology and lens materials.
7 min read
Blue Light and Sleep: The Complete Guide
Understand how blue light disrupts your circadian rhythm and sleep quality, backed by peer-reviewed research.
10 min read
Digital Eye Strain Prevention Guide
Evidence-based strategies for preventing computer vision syndrome, including the 20-20-20 rule.
6 min read
Key Scientific Facts
- Blue light wavelengths: 380-500 nanometers, most powerful stimulator of circadian rhythm
- Sleep impact: Evening blue light exposure suppresses melatonin production by 50-80%
- Eye strain: Caused more by reduced blinking and poor screen distance than blue light itself
- Proven benefits: Blue light glasses most effective for sleep improvement (consistent research)
- Prevention: 20-20-20 rule endorsed by American Academy of Ophthalmology as gold standard